<template>
  <div class="login-container">
    <!-- 顶部栏 -->
    <van-nav-bar title="登录页" left-text="返回" left-arrow @click-left="$router.back()"/>
    <!-- 输入框 -->
    <van-form @submit="onSubmit">
      <van-field
        v-model="mobile"
        name="mobile"
        label="手机号"
        placeholder="请输入手机号"
        required
        :rules="[{ required: true },
          {
            pattern: /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/,
            message: '手机号格式不对'
          }]"
      />
      <van-field
        v-model="code"
        type="text"
        name="code"
        label="验证码"
        placeholder="请输入验证码"
        required
        :rules="[{ required: true},
          {
            pattern: /^\d{6}$/, message: '验证码格式不对'
          }]"
      />
      <div style="margin: 16px">
        <van-button 
        round
        block 
        type="info" 
        native-type="submit" 
        :disabled="isLogin"
        :loading="isLogin"
        loading-text="登录中..."
        loading-type="spinner"
          >提交</van-button
        >
      </div>
    </van-form>
  </div>
</template>

<script>
import { userLogin } from './user.js'
import { saveToken } from '@/utils/token.js'
export default {
  name: "login",
  data() {
    return {
      mobile: "",
      code: "",
      isLogin:false,
    };
  },
  methods:{
      onSubmit(values){
          /* 
          (1)这个方法执行 点击提交按钮后 全部验证成功通过后才会执行
          (2)values是一个对象
          */
          console.log('submit', values);
          //按钮加载效果
          this.isLogin=true
          userLogin(values).then(res=>{
              console.log(res);
              //弹窗提示
              this.$toast.success('登录成功')
              //存token
              saveToken(res.data.data);
              //跳转首页
              this.$router.push({path:'/home'})
          })
          .catch(err=>{
            this.$toast.fail('登录失败')
          }).then(()=>{
            //无论成功还是失败，只要请求完成了就要取消loading效果
            this.isLogin=false;
          })
      }
  }
};
</script>

<style lang="less">
.login-container {
  .van-nav-bar__content {
    background-color: #96ccf0;
    .van-nav-bar__title {
      color: #fff;
    }
    .van-icon-arrow-left {
      color: #fff;
    }
    .van-nav-bar__text {
      color: #fff;
    }
  }
}
</style>

